Stamps of United States - US offices in China, 4 ndenom
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postage
1919 1919 issue ovpted on stamp of United States flat plate print unwmk p. 11
| - | 2c on 1c | grn | Washington |
1922, Jul 3 ovpted on stamp of United States flat plate print
| - | 2c on 1c | grn | Washington |
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